:root {
  --primary: #4361ee;
  --primary-dark: #3a56d4;
  --secondary: #7209b7;
  --bg: #f8f9fa;
  --card-bg: #ffffff;
  --text: #2d3748;
  --text-light: #718096;
  --shadow: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.15);
  --radius: 16px;
  --radius-sm: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

/* 🔹 Основные стили body */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: linear-gradient(135deg, #4361ee 0%, #7209b7 100%);
  background-attachment: fixed;
  margin: 0;
  padding: 0;
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* 🔹 Основной layout */
.main-layout-full {
  display: flex;
  min-height: 100vh;
  margin: 0;
}

/* 🔹 Сайдбар с современным дизайном */
.sidebar-full {
  width: 280px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--card-bg) 0%, #fafbff 100%);
  box-shadow: 
    4px 0 20px rgba(67, 97, 238, 0.08),
    inset -1px 0 0 rgba(0,0,0,0.05);
  border-right: 1px solid rgba(67, 97, 238, 0.1);
  height: 100vh;
  position: sticky;
  top: 0;
  overflow-y: auto;
}

.sidebar-content {
  padding: 30px 20px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* 🔹 Информация пользователя с акцентом */
.user-info-sidebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  margin: -20px -20px 24px -20px;
  background: linear-gradient(135deg, rgba(67, 97, 238, 0.05) 0%, rgba(114, 9, 183, 0.03) 100%);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  border-bottom: 1px solid rgba(67, 97, 238, 0.1);
  position: relative;
}

.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: white;
  box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

.user-details {
  flex: 1;
}

.user-name {
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  margin-bottom: 4px;
}

.user-email {
  font-size: 14px;
  color: var(--text-light);
}

/* 🔹 Кнопка меню пользователя */
.user-menu-sidebar-btn {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(67, 97, 238, 0.2);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  color: var(--primary);
  backdrop-filter: blur(10px);
}

.user-menu-sidebar-btn:hover {
  background: var(--primary);
  color: white;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

/* 🔹 Выпадающее меню */
.user-menu-sidebar {
  position: absolute;
  top: 100%;
  left: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(67, 97, 238, 0.2);
  border-radius: var(--radius);
  box-shadow: 
    0 8px 25px rgba(0, 0, 0, 0.1),
    0 4px 12px rgba(67, 97, 238, 0.15);
  display: none;
  z-index: 10000;
  margin-top: 8px;
  backdrop-filter: blur(20px);
  overflow: hidden;
}

.user-menu-sidebar div {
  padding: 14px 16px;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.user-menu-sidebar div:hover {
  background: rgba(67, 97, 238, 0.08);
  color: var(--primary);
  padding-left: 20px;
}

.user-menu-sidebar div:last-child {
  border-bottom: none;
  color: #ff4757;
}

.user-menu-sidebar div:last-child:hover {
  background: rgba(255, 71, 87, 0.1);
  color: #ff3838;
}

/* 🔹 Навигация с современными иконками */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  color: var(--text);
  text-decoration: none;
  position: relative;
  border: 1px solid transparent;
}

.nav-item:hover {
  background: rgba(67, 97, 238, 0.08);
  color: var(--primary);
  transform: translateX(4px);
  border-color: rgba(67, 97, 238, 0.2);
}

.nav-item.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
  border: none;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
}

.nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  transition: var(--transition);
}

.nav-item:hover .nav-icon {
  transform: scale(1.1);
}

.nav-text {
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

/* 🔹 Область контента */
.content-area-full {
  flex: 1;
  padding: 30px 40px;
  min-width: 0;
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
}

/* 🔹 Хлебные крошки */
#breadcrumbs {
  margin-bottom: 20px;
  font-size: 18px;
  padding: 0;
}

.breadcrumb {
  cursor: pointer;
  transition: var(--transition);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.breadcrumb:hover {
  color: var(--primary-dark);
  background: #f0f4ff;
  transform: translateY(-1px);
}

.home-icon {
  transition: none;
  color: var(--primary) !important;
}

.home-text {
  color: var(--primary);
  transition: var(--transition);
}

.breadcrumb:hover .home-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.breadcrumb.current {
  cursor: default;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.breadcrumb:not(.current):hover {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.breadcrumb-arrow {
  margin: 0 4px;
  color: var(--text-light);
}

/* 🔹 Заголовок и контролы */
.content-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 25px;
  gap: 20px;
}

.content-header h1 {
  margin: 0;
  flex: 1;
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  text-align: left;
}

/* 🔹 Кнопки */
button {
  cursor: pointer;
  border: none;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

button:active {
  transform: translateY(0);
}

/* 🔹 Элементы управления добавлением */
.add-controls {
  position: relative;
  display: inline-block;
  margin-bottom: 24px;
}

.add-btn {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  border-radius: var(--radius);
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.add-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.add-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--card-bg);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  display: none;
  min-width: 200px;
  z-index: 10000;
  margin-top: 8px;
  backdrop-filter: blur(10px);
}

.add-menu div {
  padding: 12px 16px;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.add-menu div:hover {
  background: #f0f4ff;
  color: var(--primary);
  transform: translateX(4px);
}

/* 🔹 Карточки папок и видео */
.folder-card,
.card {
  position: relative;
  width: 240px;
  min-height: 140px;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid rgba(0,0,0,0.05);
  z-index: 1;
}

.folder-card:hover,
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  z-index: 10;
}

/* 🔹 Когда меню открыто - поднимаем карточку выше */
.folder-card.menu-open,
.card.menu-open {
  z-index: 1000; /* ВЫШЕ ОБЫЧНЫХ КАРТОЧЕК */
}

.folder-name {
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 6px;
  word-break: break-word;
  color: var(--text);
}

.folder-date {
  font-size: 13px;
  color: var(--text-light);
}

/* 🔹 Меню карточки */
.folder-menu-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 20px;
  background: rgba(0,0,0,0.05);
  border: none;
  cursor: pointer;
  color: var(--text-light);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.folder-menu-btn:hover {
  background: rgba(0,0,0,0.1);
  color: var(--text);
}

.folder-menu {
  position: absolute;
  top: 45px;
  right: 12px;
  background: var(--card-bg);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  display: none;
  min-width: 170px;
  z-index: 10000;
  padding: 6px 0;
  backdrop-filter: blur(10px);
}

.folder-menu div {
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
  border: none;
  user-select: none;
  color: var(--text);
}

.folder-menu div:hover {
  background: #f0f4ff;
  color: var(--primary);
}

.folder-menu div:last-child {
  color: #ff4757;
  font-weight: 600;
}

.folder-menu div:last-child:hover {
  background: #ffeaea;
  color: #ff3838;
}

/* 🔹 Контейнеры */
#folderContainer,
#folderTree {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 24px;
  position: relative;
}

/* 🔹 Уведомления */
.copy-notification {
  position: fixed;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #00b894, #00a085);
  color: white;
  padding: 14px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  z-index: 10000;
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
  box-shadow: var(--shadow-hover);
  backdrop-filter: blur(10px);
}

.copy-notification.show {
  opacity: 1;
  transform: translateX(-50%) translateY(10px);
}

/* 🔹 Адаптивность */
@media (max-width: 1024px) {
  .main-layout-full {
    flex-direction: column;
  }
  
  .sidebar-full {
    width: 100%;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
  }
  
  .sidebar-content {
    padding: 20px;
  }
  
  .content-area-full {
    padding: 20px;
  }
  
  .content-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
}

@media (max-width: 768px) {
  .content-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  
  .user-info-sidebar {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
  
  .user-details {
    text-align: center;
  }
  
  .folder-card,
  .card {
    width: 100%;
    min-width: auto;
  }
}

body::before {
  display: none; /* Отключаем старый градиент */
}

/* Контейнер для меню пользователя в сайдбаре */
.user-menu-sidebar-container {
  position: relative;
  display: inline-block;
}

/* Выпадающее меню пользователя в сайдбаре */
.user-menu-sidebar {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  background: white;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  min-width: 200px;
  z-index: 1000;
  margin-top: 5px;
}

.user-menu-sidebar div {
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-menu-sidebar div:hover {
  background: #f8f9fa;
}

.user-menu-sidebar div:last-child {
  border-bottom: none;
  color: #dc3545;
}

.user-menu-sidebar div:last-child:hover {
  background: #fff5f5;
}

/* Кнопка меню в сайдбаре */
.user-menu-sidebar-btn {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(67, 97, 238, 0.2);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  color: var(--primary);
  backdrop-filter: blur(10px);
}

.user-menu-sidebar-btn:hover {
  background: var(--primary);
  color: white;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}